#1F2876#1F2876

#1F2876 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.132 H 271.7°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F2876
RGB	rgb(31, 40, 118)
HSL	hsl(234, 58%, 29%)
HSV	hsv(234, 74%, 46%)
CMYK	cmyk(73.7%, 66.1%, 0%, 53.7%)
CIE-LAB	lab(20.50, 24.77, -45.79)
CIE-LCH	lch(20.50, 52.06, 298.41°)
OKLab	oklab(32.46% 0.0038 -0.1322)
OKLCH	oklch(32.46% 0.132 271.7)
XYZ	xyz(4.5928, 3.1164, 17.4955)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2876 #766D1F

analogous

#1F5476 #1F2876 #421F76

triadic

#1F2876 #761F28 #28761F

tetradic

#1F2876 #761F54 #766D1F #1F7642

square

#1F2876 #761F54 #766D1F #1F7642

split-complementary

#1F2876 #76421F #54761F

monochromatic

#060818 #121846 #1F2876 #2C38A6 #4250CD

Accessibility & contrast

On white

12.94

#1F2876 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#1F2876 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2876

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2876	#FFFFFF	#000000	##FFFFFF
##1F2876	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003579

Deuteranopia (green-blind)

#002D75

Tritanopia (blue-blind)

#003C4B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2876;
/* rgb */ color: rgb(31, 40, 118);
/* oklch */ color: oklch(32.5% 0.132 271.7);

Tailwind

colors: {
  custom: {
    50: '#68629e',
    500: '#1f2876',
    950: '#000000',
  },
}

SCSS

$custom: #1f2876;
$custom-light: #68629e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2876",
  "rgb": {
    "r": 31,
    "g": 40,
    "b": 118
  },
  "hsl": {
    "h": 233.793,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32459,
    "c": 0.1323,
    "h": 271.7
  },
  "luminance": 0.03117
}

Semantic roles & 50–950 ramp

primary

#1F2876

secondary

#AA9F47

accent

#D246E2

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1F2876

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →